Whittaker's classification included Kingdom Monera, which included all prokaryotes. Why is this classification obsolete?
A. This kingdom now includes more organisms, so the name has been changed.
B. Based on fossil evidence, this group has been divided into three newly named kingdoms.
C. The prokaryotes, which were included in this kingdom, are now included in Protista.
D. Based on molecular data, Monera has been divided into the two distinct domains, Archaea and Bacteria.